Transcript for Instant Index: First Lady Michelle Obama Holds Special Dinner for Kids

First lady michelle obama hosted a state dinner for the kids today, a lunch for the 54 winners of the healthy recipe contest. This time guests were encouraged to eat with their fingers. Something president obama noted. Michelle never said to me that I can pick up something with my fingers at a state dinner. He can't. That's not fair. By the way, some of the finger food on the menu, picky eater pizza pockets, say that five times and bring it on brussel sprouts wrap. Sounds pretty good. You have heard of the city that never sleeps. How about the building that never sleeps? An artificial beach with a sun that shines 24 hours a day complete with sand, man made waves, even a sea breeze. It's one of the wonders inside the world's largest building in china which opened to the public. Three pentagons can fit inside it. It can how's 6,000 visitors at a time. Just when you thought it was safe to go back in the water. Take a look at this. A rare black jelly fish, infesting waters off of southern california. Tent cals 30 feet long, dark purple bellies the warmer temperature driving them closer to shore in search of food. Swimmer at laguna beach say they have been stung.

This transcript has been automatically generated and may not be 100% accurate.

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